<!DOCTYPE html>
<html lang = "en" >
<head >
  <meta charset = "UTF-8" >
  <title >父模板</title >
    
    {# 通用css文件 #}
    <link rel = "stylesheet" href = "{{ url_for('static', filename='css/base.css')}}" >
    {# 继承 #}
    {% block extcss %}


    {% endblock %}
</head >
<body >
    {% block head %}

    {% endblock %}

    <hr >

    {% block content %}

    {% endblock %}

    <hr >

    {% block foot %}
        <p>！！！！！</p>
    {% endblock %}


{#   通用的js文件 #}
    <script src="{{ url_for('static', filename='js/base.js') }}"></script >
    {% block extjs %}

    {% endblock %}
</body >
</html >